import java.util.Arrays;

public class Mybool {
	public static void main(String args[]){
	    int x = 5 + 5;
	    System.out.println("x1="+x);
	    String s = "5" + x;
	    System.out.println("s="+s);
	    int y = 10 - 6;
	    System.out.println("y1="+y);
	    int z = -y;
	    System.out.println("z1="+z);
	    x = 10 / 3;
	    System.out.println("x2="+x);
	    x = 10 * 3;
	    System.out.println("x3="+x);
	    x = 10 % 3;
	    System.out.println("x4="+x);
	    y = 1;
	    y++;
	    System.out.println("y2="+y);
	    z = 1;
	    z--;
	    System.out.println("z2="+z);
	    System.out.println('a' + 2);
	}

}
